/*
** Copyright (C) 2011 Viens Yann
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License as published by the Free Software Foundation; either
** version 2.1 of the License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include "Singleton.hpp"
#include "Camera.hpp"
#include "Filters.hpp"
#include "ObjectDetector.hpp"
#include "Rand.hpp"

template <typename T>
T*	Singleton<T>::_instance = NULL;

template <typename T>
T*	Singleton<T>::instance() throw (std::exception)
{
  if (!_instance)
    {
      _instance = new T;
    }
  return _instance;
}

template <typename T>
void	Singleton<T>::release()
{
  if (_instance)
    {
      delete _instance;
      _instance = NULL;
    }
}

template class	Singleton<Camera>;
template class	Singleton<Filters>;
template class	Singleton<ObjectDetector>;
template class	Singleton<Rand>;
